mount-hawthorn postcode wa Home ›› Postcode Finder ›› WA ›› Mount-Hawthorn Mount Hawthorn local listingsThe suburb of Mount Hawthorn is located in WA and has a postcode of 6016. Free mount hawthorn business listing! Get the first free listing in mount hawthorn! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.